NTE1710
Integrated Circuit
Record/Playback Circuit for VCR
Description:
The NTE1710 is an integrated circuit in a 22鈥揕ead DIP type package designed for tape recorder and
VCR audio recording and playback. This device has built鈥搃n electronic switches for recording and
playback which include the ones for a noise reduction circuit.
Features:
D
Electronic Switches for REC/PLAY Operation Included (Noise鈥揜eduction Switches also Possible)
D
Low Noise (Noise Voltage Referred to Input = 0.95碌V P.B., R
g
= 2.2k鈩? 20Hz to 20kHz)
D
Almost All Functions Necessary for REC/PLAY operation and AGC Circuit Included
D
Low Current Consumption
D
Muting Possible Externally
Absolute Maximum Ratings:
(T
A
= +25擄C unless otherwiser specified)
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Power Dissipation, P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 700mW
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +70擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +150擄C
Electrical Characteristics:
(V
CC
= 9V, T
A
= +25擄C unless otherwise specified)
Parameter
Closed Loop Output Voltage
On Playback Mode
On Record Mode
Total Harmonic Distortion
Maximum Output Voltage
Line Output
Recording Output
Output Noise Voltage
Playback Head Input
Record MIC Input
Record Line Input
Playback Head Input
V
no
Symbol
V
O(PB)
V
O(REC)
THD
V
O(max)
Test Conditions
P.B., Line Out, V
i
= 1kHz, 0.158mV
Rec., Rec Out, AGC: OFF, V
i
= 1kHz, 0.315mV
P.B., Line Out, V
i
= 1kHz, 1.58mV
P.B., f = 1kHz, THD = 1%
Rec., f = 1kHz, THD = 1%
P.B., R
g
= 2.2k鈩? f = 20Hz to 20kHz
Rec., R
g
= 2.2k鈩? f = 20Hz to 20kHz
Rec., R
g
= 0, f = 20Hz to 20kHz
P.B., R
g
= 0, f = 20Hz to 20kHz
Min
420
315
鈥?/div>
1.7
1.7
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Typ
500
445
0.06
2.2
2.2
3.0
1.5
0.14
1.7
Max Unit
594
628
0.1
鈥?/div>
鈥?/div>
5.5
2.5
0.3
3.0
mV
mV
%
V
rms
V
rms
mV
mV
mV
mV
Note 1. A capacitor of 10碌F or over must be used between Pin11 and GND for the purpose of
preventing the AGC circuit oscillation when it is actually used.
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